diff --git a/src/core/hle/kernel/svc_types.h b/src/core/hle/kernel/svc_types.h
index 8909dbfaba..ded55af9a4 100644
--- a/src/core/hle/kernel/svc_types.h
+++ b/src/core/hle/kernel/svc_types.h
@@ -77,6 +77,11 @@ enum class ArbitrationType : u32 {
     WaitIfEqual = 2,
 };
 
+enum class ThreadActivity : u32 {
+    Runnable = 0,
+    Paused = 1,
+};
+
 constexpr inline s32 IdealCoreDontCare = -1;
 constexpr inline s32 IdealCoreUseProcessValue = -2;
 constexpr inline s32 IdealCoreNoUpdate = -3;